5, psychological factors
Such as the spirit of tight or excessive anxiety can hypothalamus – pituitary – ovarian axis suppression impact on ovulation.
Third, the factor of infertility vulva vagina
Such as the congenital absence of vagina, congenital malformations be able to prevent sexual life; Yan vaginal inflammation can be a large number of white blood cells swallow sperm, lower sperm motility, shortening the time of its existence affect the pregnancy.
4, uterine factor infertility due to
Infertility accounts for about 10% to 15%, normal uterus forward, flexion, cervical mouth backwards, after sexual intercourse soaked in semen in the cervix is conducive to conception, such as the uterus after the bend backward so that the cervix pre-up can affect the pregnancy; because of inadequate secretion of ovarian progesterone secretion in response to adverse endometrial; uterine hypoplasia, as well as endometrial inflammation. Such as tuberculosis endometritis, submucous uterine fibroids, etc. can affect the implantation Yunluan
5, cervical factor infertility caused by
Is a more important reason for infertility, infertility accounts for about 10% to 20% of ovulation the cervix from opening its mouth after periods ranging from 1mm diameter open-3mm, an increase in cervical mucus during ovulation is clean and transparent pH value of 7.0 ~ 8.2, and vaginal acidity could be used to benefit the activities of sperm and through, due to chronic cervicitis or low estrogen levels, cervical mucus viscous or contains a large number of white blood cell variable is not conducive to sperm can influence the activities and through pregnancy. In addition, cervical polyps or cervical fibroids can block the cervix tube, affecting the passage of sperm, cervical stenosis may also cause infertility.
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